{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "While mutations in K - Rev that inactivate any one of these properties also blocked K - Rev - dependent nuclear RNA export , several K - Rev mutants were comparable to wild type when assayed for any of these individual activities yet nevertheless defective for RNA export ."}
{"GENE": ["K - Rev", "K - Rev mutants"]}